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Volume 24, Number 4—April 2018
Research

Influenza A(H7N9) Virus Antibody Responses in Survivors 1 Year after Infection, China, 2017

Mai-Juan Ma1, Cheng Liu1, Meng-Na Wu, Teng Zhao, Guo-Lin Wang, Yang Yang, Hong-Jing Gu, Peng-Wei Cui, Yuan-Yuan Pang, Ya-Yun Tan, Hui Hang, Bao Lin, Jiang-Chun Qin, Li-Qun FangComments to Author , Wu-Chun CaoComments to Author , and Li-Ling ChengComments to Author 
Author affiliations: Beijing Institute of Microbiology and Epidemiology, Beijing, China (M.-J. Ma, M.-N. Wu, T. Zhao, G.-L. Wang, H.-J. Gu, L.-Q. Fang, W.-C. Cao); University of Florida, Gainesville, Florida, USA (Y. Yang); Suzhou Municipal Center for Disease Control and Prevention, Suzhou, China (C. Liu, P.-W. Cui, Y.-Y. Pang, Y.-Y. Tan, H. Hang, B. Lin, J.-C. Qin, L.-L. Chen)

Main Article

Table 5

Change in antibody titers in survivors of influenza A(H7N9) at different follow-up points, China, 2017*

Patient no. Change, -fold, HI/NI/MN/IgG/IgA
Follow-up visit 2 vs. follow-up visit 1 Follow-up visit 3 vs. follow-up visit 2
1 1/0.5/1/0.5/0.5 1/0.5/1/1/1
2 1/1/1/0.25/0.5 1/0.5/1/1/1
3 0.5/1/2/1/0.5 0.25/0.25/0.5/0.25/1
4 0.5/0.13/0.5/0.5/0.25 0.25/0.25/1/0.5/1
5 0.5/0.06/0.5/0.5/0.5 0.13/0.25/1/0.25/0.5
6 0.5/0.13/4/0.25/0.5 0.13/0.25/0.25/1/1
7 NA NA
8 0.25/0.25/1/1/0.5 0.25/0.25/1/0.5/0.5
9 0.5/0.03/1/0.13/0.13 1/1/1/1/1
10 0.5/0.13/2/0.25/0.5 0.5/0.25/1/0.25/0.5
11 0.5/0.25/0.5/0.06/0.5 0.5/1/2/4/0.5
12 NA NA
13 0.5/0.25/2/0.25/0.5 0.5/0.25/0.5/0.5/1
14 0.25/0.25/0.25/0.25/0.25 0.5/0.5/1/1/1
15 0.5/0.02/1/0.5/0.125 0.5/1/1/1/1
16 0.5/0.5/2/0.5/0.5 0.5/0.25/1/0.5/1
17 0.5/0.25/1/0.13/1 0.5/0.5/1/1/1
18 0.5/0.06/2/0.5/0.5 0.5/0.5/1/1/1
19 0.13/0.06/0.25/0.06/1 0.5/0.25/1/1/1
20 0.5/0.03/2/2/1 NA
21 0.25/0.03/1/0.25/0.25 0.5/0.5/1/1/1
22 0.5/0.25/2/0.25/0.25 0.5/0.06/0.5/0.5/1
23 0.25/0.03/1/0.13/0.5 1/0.5/1/0.5/1
24 0.5/0.25/4/0.25/0.5 0.5/0.25/0.25/0.5/1
25 0.5/0.25/1/0.5/0.5 0.25/0.5/1/0.25/1

*Change was calculated as ratio of titers. HI, hemagglutination inhibition; MN, microneutralization; NA, not available; NI, neuraminidase inhibition.

Main Article

1These authors contributed equally to this article.

Page created: June 22, 2018
Page updated: June 22, 2018
Page reviewed: June 22, 2018
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